Question

3. A spherical shell has an inner radius of 3.7 cm and an outer radius of 4.5 cm. If charge is
distributed uniformly throughout the shell with a volume density of 6.1 × 10−4 C/m
3 the total
charge is:

Answer 1

Answer:

Solution:

Total charge = 1.034*10-7 C

Explanation:

Volume of the shell =

Volume of larger sphere - Volume of inner shpere

Volume of the shell = (4/3)*3.14*[(4.5/100)2 - (3.7/100)3]why outer radius is taken in square not in cube Please clear this doubt.

Volume of shell = 0.00016944 m3

The given density of the charge is = 6.1 × 10-4 C/m3

So the quantity of charge will be = (6.1 × 10-4 C/m3)*0.00016944 m3

Total charge = 1.034*10-7 C

Explanation:

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